DOIAbstract
AbstractThis paper is concerned with (0, 1)-normal matrices. The main objective is to study the structure and the cardinality of the class of non-symmetric irreducible (0, 1)-normal matrices with each row sum equal to 2
AbstractThis paper is concerned with (0, 1)-normal matrices. The main objective is to study the structure and the cardinality of the class of non-symmetric irreducible (0, 1)-normal matrices with each row sum equal to 2
AbstractLet m and n be positive integers, and let R=(r1,…,rm) and S=(s1,…,sn) be nonnegative integra...
AbstractThis is a survey of the recent progress and open questions on the structure of the sets of 0...
Let R and S be non-negative and non-increasing vectors of order m and n respectively. We consider th...
AbstractThis paper is concerned with (0, 1)-normal matrices. The main objective is to study the stru...
This paper is concerned with (0, 1)-normal matrices. The main objective is to study the structure an...
This paper is concerned with (0, 1)-normal matrices. The main objective is to study the structure an...
AbstractIf S1,…, Sm are subsets of a set S, there exists a partition of S into basic sets AI, define...
AbstractBy a nonnegative sign pattern we mean a matrix whose entries are from the set {+, 0}. A nonn...
AbstractIf S1,…, Sm are subsets of a set S, there exists a partition of S into basic sets AI, define...
AbstractWe generalize results of Ryser on (0, 1)-matrices without triangles, 3 × 3 submatrices with ...
AbstractWe study the class U2(R,S) of all (0, 1, 2)-matrices with a prescribed row sum vector R and ...
AbstractLet %plane1D;518;2(R,S) be the class of all (0, 1, 2)-matrices with a prescribed row sum vec...
We present additional equivalent conditions on the existence of a 0 1 symmetric matrix with given ro...
We present additional equivalent conditions on the existence of a 0 1 symmetric matrix with given ro...
AbstractIf the non-zero entries of a matrix S satisfy certain sum restrictions, then it is shown tha...
AbstractLet m and n be positive integers, and let R=(r1,…,rm) and S=(s1,…,sn) be nonnegative integra...
AbstractThis is a survey of the recent progress and open questions on the structure of the sets of 0...
Let R and S be non-negative and non-increasing vectors of order m and n respectively. We consider th...
AbstractThis paper is concerned with (0, 1)-normal matrices. The main objective is to study the stru...
This paper is concerned with (0, 1)-normal matrices. The main objective is to study the structure an...
This paper is concerned with (0, 1)-normal matrices. The main objective is to study the structure an...
AbstractIf S1,…, Sm are subsets of a set S, there exists a partition of S into basic sets AI, define...
AbstractBy a nonnegative sign pattern we mean a matrix whose entries are from the set {+, 0}. A nonn...
AbstractIf S1,…, Sm are subsets of a set S, there exists a partition of S into basic sets AI, define...
AbstractWe generalize results of Ryser on (0, 1)-matrices without triangles, 3 × 3 submatrices with ...
AbstractWe study the class U2(R,S) of all (0, 1, 2)-matrices with a prescribed row sum vector R and ...
AbstractLet %plane1D;518;2(R,S) be the class of all (0, 1, 2)-matrices with a prescribed row sum vec...
We present additional equivalent conditions on the existence of a 0 1 symmetric matrix with given ro...
We present additional equivalent conditions on the existence of a 0 1 symmetric matrix with given ro...
AbstractIf the non-zero entries of a matrix S satisfy certain sum restrictions, then it is shown tha...
AbstractLet m and n be positive integers, and let R=(r1,…,rm) and S=(s1,…,sn) be nonnegative integra...
AbstractThis is a survey of the recent progress and open questions on the structure of the sets of 0...
Let R and S be non-negative and non-increasing vectors of order m and n respectively. We consider th...
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